<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
<body>
<div id="app">
    {{ message }}
</div>
</body>
<script src="../../js/vue.js"></script>
<script type="text/javascript">
    var vm = new Vue({
        el: "#app",
        data() {
            return {
                message: 'Hello Imooc !'
            }
        }
    })
    //修改 vue 实例上的 message 数据
    // vm.message = 'Hello 句号 ！'
</script>
</html>
